ArrayObject::ksort

(PHP 5 >= 5.2.0)

ArrayObject::ksort — Sort the entries by key

설명

public void ArrayObject::ksort ( void )

Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.

인수

이 함수는 인수가 없습니다.

반환값

값을 반환하지 않습니다.

예제

Example #1 ArrayObject::ksort() example


<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->ksort();

foreach ($fruitArrayObject as $key => $val) {
    echo "$key = $val\n";
}
 ?>

위 예제의 출력:

a = orange
b = banana
c = apple
d = lemon

참고

ArrayObject::asort() - Sort the entries by value
ArrayObject::natsort() - Sort entries using a "natural order" algorithm
ArrayObject::natcasesort() - Sort an array using a case insensitive "natural order" algorithm
ArrayObject::uasort() - Sort the entries with a user-defined comparison function and maintain key association
ArrayObject::uksort() - Sort the entries by keys using a user-defined comparison function